# SDR ABXA20260901391

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2026
- Submitted: September 1, 2026
- Operation: Air carrier
- Aircraft: [N364CM](https://openairdocs.org/aircraft/N364CM), registered now
- Make and model: Boeing 767338
- Aircraft serial: 24531
- Aircraft time: 101,922 hours, 37,955 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 113T15456
- Condition: Corroded
- Location: Zone 600
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260901391

## Discrepancy

DURING C-CHECK, CORROSION WAS OBSERVED ON THE RT WING UPPER SURFACE SKIN PANEL NR 1 AT WS 434 OVER UPPER RIB FLANGE PIN 113T1545-6, THE DAMAGE WAS REMOVED BY BLENDING AFFECTED AREA IAW SRM 51-10-02 WITH MEASURED MATERIAL REMAINING OF0.112 INCHES FROM INITIAL THICKNESS OF 0.205", INCH (UT MEASURED) WITH MATERIAL LOSS OF 0.093 INCH (45%), FOUND TO BE OUT OF LIMITS IAW SRM 57-20-01, ALLOWABLE DAMAGE 1, TABLE I OF 0.035 INCHES. ADDITIONALLY, A CRACK WAS FOUND IN THE BLENDED AREA WITH APPROXIMATE LENGTH OF 2.5", SEE FIGURE 1 FOR MORE DETAILS. MANUFACTURER WAS CONTACTED PER SR PEF-ABX-26- 00121 AND PERMANENT REPAIR INSTRUCTIONS WERE PROVIDED. REPAIRED IAW ABX-REA-5725-66202-00.

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